Originally Posted by pokeyl

New one is onthe way. The fix for now was Ace hadware springs. After the new spring install the valve is half-way open at idle. Under full boost it sould be full open from the SC pressure and the high vaccuum. At cruse it should be full closed. It should closer sooner as it is only part open at 15-18 inches of vaccuum. The old valve has never held up to full 1.5 SC boost. It will be fun to see if my new setup can handle 10PSI.